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AC LEAKAGE CLAMP TESTER
MCL-800D+ / MCL-800DX / MCL-800DXR
Instruction manual
This instruction manual explains how to use your AC LEAKAGE
CLAMP TESTER (MCL-800D+, 800DX, 800DXR).
Before using, read through this manual to reduce the risk of fire ,
electric shock, and/or injury.
And save it together with the product so that you can refer to the
manual as necessary.
MULTI MEASURING INSTRUMENTS Co., Ltd.
1-26 Kanda Sakuma-cho Chiyoda-ku, Tokyo 101-0025, Japan
Akihabara Murai-Bldg.7F
Phone: +81-3-3251-7016 Fax.: +81-3-3253-4278
Ver. 1.01
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Summary of Contents for MULTI MEASURING INSTRUMENTS MCL-800D+
- Page 1 Before using, read through this manual to reduce the risk of fire , electric shock, and/or injury. And save it together with the product so that you can refer to the manual as necessary. MULTI MEASURING INSTRUMENTS Co., Ltd. 1-26 Kanda Sakuma-cho Chiyoda-ku, Tokyo 101-0025, Japan Akihabara Murai-Bldg.7F Phone: +81-3-3251-7016 Fax.: +81-3-3253-4278...
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Page 2: Safety Precautions
Trademarks (TM, (R) mark, etc. are not specified in this manual.) • Bluetooth is a trademark of Bluetooth SIG,Inc. Multi Measuring Instruments Co., Ltd. uses it under a license agreement with the company. • Android and Google Play are trademarks of Google LLC •... - Page 3 WARNING To prevent electric shock. • For safety reasons, use the instrument under a low-voltage circuit of AC600V or less. Check the circuit voltage before measurement. • Do not clamp any bare wire. • Do not measure when the CT or the body is damaged nor the battery cover is removed.
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Page 4: Specifications
1. OVERVIEW This instrument is a high-accuracy clamp-type leakage current meter that greatly improved convenience using the latest technology. Features • Since the influence from the external magnetic field is slight, a minute current can be measured accurately even near a motor or other wiring. •... -
Page 5: General Specifications
2-2 General Specifications Measurement functions Leakage current (Io), Load current (I) CT inner diameter 74 x 80 mm Measurement type CT clamping Mechanical structure One end movable split core clamp 4-digit LCD (with units, symbols) Auto Power OFF indication "APO" Auto-range indication "AUTO"... -
Page 6: Description Of Functions
2-3 Description of functions A low-pass filter (quadric LPF, fc = 150 Hz) is inserted into the signal to be measured to enable measurement with suppressed Filter high-frequency components. The Filter button turns ON / OFF the function. The display value at anytime you like can be frozen. This function is convenient for measurements where it is difficult to Data hold see the display such as dark or narrow places. - Page 7 3. NAME OF EACH PART AND HOW IT FUNCTIONS 3-1 Tester Body (10) (1) Clamp-type ZCT Clamp-type current detection sensor. (2) Power button To turn the power ON / OFF. (3) Filter button To turn the filter function ON /OFF. (4) Range button To switch the measurement range.
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Page 8: Description Of The Display
3-2 Description of the display MAX APO AUTO (1) Bluetooth communication Blinks while waiting for pairing with the dedicated application "Multi-Tracer". indicator It lights up while the instrument is paired with "Multi-Tracer" (Only applicable with MCL-800DX and MCL-800DXR) (2) Auto range indicator Lights up while the auto range is set. -
Page 9: Maintenance
4. MAINTENANCE 4-1 Battery replacement (1) Make sure the power is turned off, then remove the battery cover screw on the back with a Phillips screwdriver, and remove the battery cover. Remove the battery cover. Remove the screw with a Phillips screwdriver. (2) Pull the ribbon from the bottom of the batteries up slightly to lift the batteries, and then remove them. -
Page 10: Measuring Procedure
CAUTION • Incorrect battery polarity may cause battery leakage or damage to the instrument circuit. • Never disassemble the battery or throw it into a fire as it is extremely dangerous. • If you leave the batteries with wrong polarity, they will overheat and become unusable. -
Page 11: Leakage Current Measurement
CAUTION • Excessive current applied to CT may cause overheating and damage to the instrument. Do not apply any input current exceeding the measurable range to the instrument. • This is a precision instrument. Handle with paying attention not to apply excessive force such as big impact or vibration. - Page 12 5-3 Auxiliary function for measurement Manual range Each time the Range button is pressed, the range setting changes in the order of AUTO → 20 mA → 200 mA → 2 A → 20 A → 200 A → 1000 A → AUTO. After the range is switched, the set range is displayed for approximately 1 second.
- Page 13 6. Bluetooth COMMUNICATION MCL-800DX, MCL-800DXR) MCL-800DX and MCL-800DXR support the Bluetooth communication. Communicating with the dedicated application "Multi-Tracer" on smartphones and tablets, you can check the measurement data and save them. * During waiting for being paired or being paired with the dedicated application "Multi-Tracer", the auto power off function is disabled.
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Page 14: After-Sale Service
7. AFTER-SALE SERVICE When the instrument failed, contact your dealer or distributor. When sending the instrument for repair, wrap the instrument in cushioning material, store it in a sturdy box, and send it to us with the following information. 1. Customer's name, address, and telephone number 2. - Page 15 MEMO...
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